Submission #28350

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
28350	2017-07-16T04:55:45 Z	三( ε:)(#1146, xdoju, veckal, unused)	Oriental P.A.D.A.K (FXCUP2_padak)	C++14	1 / 1	823 ms	65072 KB

padak

#include <bits/stdc++.h>
using namespace std;

vector<vector<int>> dist;

constexpr int dr[4][2] =
{
    1,0,
    0,1,
    -1,0,
    0,-1
};

int main()
{
    int n, m, k, b, z; 
    scanf("%d%d%d%d%d",&n,&m,&k,&b,&z);

    dist.resize(n, vector<int>(m));

    queue<pair<int, int>> que;

    for (int i = 0; i < k; i++)
    {
        int x, y;
        scanf("%d%d",&x,&y);
        x--; y--;
        if (dist[x][y] == 0)
        {
            dist[x][y] = 1;
            que.emplace(x, y);
        }
    }

    while (que.empty() == false)
    {
        int x, y;
        tie(x, y) = que.front();
        que.pop();

        for (int d = 0; d < 4; d++)
        {
            int nx = x + dr[d][0];
            int ny = y + dr[d][1];

            if (nx < 0 || nx >= n || ny < 0 || ny >= m || dist[nx][ny]) continue;

            dist[nx][ny] = dist[x][y] + 1;
            que.emplace(nx, ny);
        }
    }

    vector<int> vt;
    for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) if (dist[i][j] > 1) vt.push_back(dist[i][j] - 1);

    sort(vt.begin(), vt.end());

    int ans1 = 0;

    for (int i = 1, p = (int)vt.size() - 1; p >= 0; i++)
    {
        bool yes = false;
        for (int j = 0; j < z && p >= 0 && vt[p] >= i; j++, ans1++, p--, yes = true)
            ;

        if (yes == false) break;
    }

    printf("%d ", ans1);

    int ans2 = 0;

    for (int i = 1, p = 0; p < vt.size(); i++)
    {
        while (p < vt.size() && vt[p] < i) ++p;
        for (int j = 0; j < z && p < vt.size(); j++, ans2++, p++)
            ;
    }

    printf("%d\n", ans2);
}

Compilation message

padak.cpp: In function 'int main()':
padak.cpp:73:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 1, p = 0; p < vt.size(); i++)
                              ^
padak.cpp:75:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (p < vt.size() && vt[p] < i) ++p;
                  ^
padak.cpp:76:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < z && p < vt.size(); j++, ans2++, p++)
                                    ^
padak.cpp:17:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d%d",&n,&m,&k,&b,&z);
                                       ^
padak.cpp:26:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
                            ^

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	2028 KB	Output is correct
2	Correct	0 ms	2028 KB	Output is correct
3	Correct	69 ms	12212 KB	Output is correct
4	Correct	66 ms	12204 KB	Output is correct
5	Correct	69 ms	12188 KB	Output is correct
6	Correct	79 ms	15288 KB	Output is correct
7	Correct	73 ms	12268 KB	Output is correct
8	Correct	63 ms	14208 KB	Output is correct
9	Correct	176 ms	62948 KB	Output is correct
10	Correct	79 ms	12224 KB	Output is correct
11	Correct	93 ms	12284 KB	Output is correct
12	Correct	73 ms	12216 KB	Output is correct
13	Correct	76 ms	15300 KB	Output is correct
14	Correct	63 ms	12268 KB	Output is correct
15	Correct	73 ms	14208 KB	Output is correct
16	Correct	199 ms	62948 KB	Output is correct
17	Correct	83 ms	12388 KB	Output is correct
18	Correct	89 ms	12824 KB	Output is correct
19	Correct	83 ms	12360 KB	Output is correct
20	Correct	89 ms	15388 KB	Output is correct
21	Correct	96 ms	12948 KB	Output is correct
22	Correct	63 ms	14212 KB	Output is correct
23	Correct	256 ms	62992 KB	Output is correct
24	Correct	413 ms	14368 KB	Output is correct
25	Correct	453 ms	14320 KB	Output is correct
26	Correct	423 ms	14348 KB	Output is correct
27	Correct	619 ms	17412 KB	Output is correct
28	Correct	426 ms	14292 KB	Output is correct
29	Correct	439 ms	14196 KB	Output is correct
30	Correct	823 ms	65072 KB	Output is correct
31	Correct	66 ms	12208 KB	Output is correct
32	Correct	96 ms	62948 KB	Output is correct